222238317

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 349600000

約数和(自身を除く): 127361683

約数列:

[1, 3, 7, 21, 37, 111, 229, 259, 687, 777, 1249, 1603, 3747, 4809, 8473, 8743, 25419, 26229, 46213, 59311, 138639, 177933, 286021, 323491, 858063, 970473, 2002147, 6006441, 10582777, 31748331, 74079439, 222238317]

約数ペア:

[(1, 222238317), (3, 74079439), (7, 31748331), (21, 10582777), (37, 6006441), (111, 2002147), (229, 970473), (259, 858063), (687, 323491), (777, 286021), (1249, 177933), (1603, 138639), (3747, 59311), (4809, 46213), (8473, 26229), (8743, 25419)]